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This is a direct treatise that address medical students.professionals and expert from related science to understand sex which i consider as a large pool without depth and dimensions, It is hardly difficult to explore clues pertaining to sex Sex orientation remains a virgin area and some thinkers believes that human cloning might explore it. Senility represents aging of both sexual partners with deviation of impotence ans climecteric for male and female respectively,We have to consider nature is a beset of antagonism and if elders continue their sexual drive dynamically the outcome would be a huge intolerable mess.

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Elnur, Mohamed
Dr Mohamed Ali Elnur born in Sudan in 2/2/1941 at Gulli /Kosti-Sudan,a veterinarian graduated from University of Khartoum awarded DVSM from University of Edinburgh.A lecturer in microbiology and interested in family science with aproposal for sex education

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